Family name Acosta Dueñas (Acosta Dueñas 
) , all over the world, is a very rare cognomen. The surname Acosta Dueñas is characteristic of Latin America and the Caribbean, particularly Ecuador, where it is a very rare surname, and Chile, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Acosta Dueñas | Chile, Ecuador |